src/main/resources/mapper/HistoryMapper.xml
@@ -250,7 +250,7 @@ <update id="createHistoryTable" parameterType="String"> CREATE TABLE history_${yearMonthDay} ( `mac` varchar(20) DEFAULT NULL, `mac` varchar(30) DEFAULT NULL, `value` json DEFAULT NULL, `time` datetime DEFAULT NULL, `version` int(11) DEFAULT NULL,